3D Architectural Visualisation in Blender 2.93.2 and Octane.
Modelling: Modelling was from myself in Blender, plants from various sites.
Materials: Setup from myself, textures sourced from various sites.
Lighting and Rendering: In Blender with the Octane render engine and HDRIs.
Whoa! That's a gigantic apartment complex. Very detailed and realistic indeed.